<template>
  <a-layout id="components-layout-demo-custom-trigger">
    <a-layout-sider v-model="collapsed" :trigger="null" collapsible :style="{ height: '100vh' }">
      <div class="logo" />
      <a-menu
        theme="dark"
        mode="inline"
        :default-selected-keys="['/admin/dashboard']"
        @click="
          (nav) => {
            this.$router.push(nav.key)
          }
        "
        >
        <a-menu-item v-for="nav in navs" :key="nav.path">
          <a-icon type="user" />
          <span>{{nav.name}}</span>
        </a-menu-item>
      </a-menu>
    </a-layout-sider>
    <a-layout>
      <a-layout-header style="background: #fff; padding: 0">
        <a-icon
          class="trigger"
          :type="collapsed ? 'menu-unfold' : 'menu-fold'"
          @click="() => (collapsed = !collapsed)"
        />
      </a-layout-header>
      <a-layout-content
        :style="{ margin: '24px 16px', padding: '24px', background: '#fff', minHeight: '280px' }"
      >
      <!-- 这里是二级路由的出口 -->
        <router-view/>
      </a-layout-content>
    </a-layout>
  </a-layout>
</template>
<script>
export default {
  data () {
    return {
      collapsed: false,
      navs: this.$router.options.routes[1].children.filter((nav) => nav.meta.isNav)
    }
  },
  created () {
    // console.log(this.nav)
    // console.log(this.$router, '111')
    // console.log(this.$route, '222')
  }
}
</script>
<style>
#components-layout-demo-custom-trigger .trigger {
  font-size: 18px;
  line-height: 64px;
  padding: 0 24px;
  cursor: pointer;
  transition: color 0.3s;
}

#components-layout-demo-custom-trigger .trigger:hover {
  color: #1890ff;
}

#components-layout-demo-custom-trigger .logo {
  height: 32px;
  background: rgba(255, 255, 255, 0.2);
  margin: 16px;
}
</style>
